Finding the Fourth Proportional to 2,214.59, 3,055.98 and 1,219.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,214.59 : 3,055.98 = 1,219.86 : x
2. Step 2: Convert to fraction form
   2,214.59/3,055.98 = 1,219.86/x
3. Step 3: Cross multiply
   2,214.59x = 3,055.98 × 1,219.86
4. Step 4: Simplify right side
   2,214.59x = 3,727,865.48
5. Step 5: Solve for x
   x = 3,727,865.48/2,214.59
6. Step 6: Final answer
   x = 1,683.32